本文实例讲述了python实现的多线程端口扫描功能。分享给大家供大家参考，具体如下：
下面的程序给出了对给定的ip主机进行多线程扫描的Python代码
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#!/usr/bin/env python
#encoding: utf-8
import socket, sys, thread, time
openPortNum = 0
socket.setdefaulttimeout(3)
def usage():
print '''''Usage:
Scan the port of one IP: python port_scan_multithread.py -o <ip>
Scan the port of one IP: python port_scan_multithread.py -m <ip1, ip2, ip3, ip4 ...>
'''
print 'Exit'
sys.exit(1)
def socket_port(ip, PORT):
global openPortNum
if PORT > 65535:
print 'Port scanning beyond the port range, interrupt to scan'
sys.exit(1)
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
result = s.connect_ex((ip, PORT))
if(result == 0):
print ip, PORT,'is open'
openPortNum += 1
s.close()
def start_scan(IP):
for port in range(0, 65535+1):
thread.start_new_thread(socket_port, (IP, int(port)))
time.sleep(0.006)
if __name__ == '__main__':
t = 0
if len(sys.argv)<2 or sys.argv[1] == '-h':
usage()
elif sys.argv[1] == '-o':
ONE_IP = raw_input('Please input ip of scanning: ')
t = time.time()
start_scan(ONE_IP)
elif sys.argv[1] == '-m':
MANY_IP = raw_input('Please input many ip of scanning: ')
IP_SEG = MANY_IP.split(',')
t = time.time()
for i in IP_SEG:
start_scan(i)
print
print 'total open port is %s, scan used time is: %f ' % (openPortNum, time.time()-t)
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运行效果图
希望本文所述对大家Python程序设计有所帮助。